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ES471324A1 - Process and apparatus for reflowing solder of solder plated substrates and substrates formed thereby. - Google Patents

Process and apparatus for reflowing solder of solder plated substrates and substrates formed thereby.

Info

Publication number
ES471324A1
ES471324A1 ES471324A ES471324A ES471324A1 ES 471324 A1 ES471324 A1 ES 471324A1 ES 471324 A ES471324 A ES 471324A ES 471324 A ES471324 A ES 471324A ES 471324 A1 ES471324 A1 ES 471324A1
Authority
ES
Spain
Prior art keywords
flexible circuits
chamber
solder
steam
circuits
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES471324A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES471324A1 publication Critical patent/ES471324A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3494—Heating methods for reflowing of solder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/012—Soldering with the use of hot gas
    • B23K1/015—Vapour-condensation soldering
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0393—Flexible materials
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/04—Soldering or other types of metallurgic bonding
    • H05K2203/043—Reflowing of solder coated conductors, not during connection of components, e.g. reflowing solder paste
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
    • H05K2203/0756—Uses of liquids, e.g. rinsing, coating, dissolving
    • H05K2203/0776—Uses of liquids not otherwise provided for in H05K2203/0759 - H05K2203/0773
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/15—Position of the PCB during processing
    • H05K2203/1545—Continuous processing, i.e. involving rolls moving a band-like or solid carrier along a continuous production path
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3457—Solder materials or compositions; Methods of application thereof
    • H05K3/3473—Plating of solder

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

Procedure and apparatus for reflow soldering of coated flexible circuits, which method is characterized in that it comprises the steps of locating the flexible circuits in a condensation vapor at a point below the vapor-air interface and exposing the flexible circuits to steam. of condensation for a period sufficient for the solder to melt and flow, characterized in that the flexible circuits are introduced in a first chamber before a second chamber, the first chamber of which has a steam diffusion siphon in an inlet port and a shutter of liquid in an outlet port leading into the second chamber, the condensation vapor being partially confined in one chamber by the liquid shutter; regulate the temperature in the flexible circuits to a point below the eutectic temperature of the tin solder before exposing the circuits to condensation steam; place the flexible circuits in a flat orientation before they are inserted into the steam chamber; maintaining a film of condensate on the flexible circuits after the steam condenses on the flexible circuits to then evaporatively cool the flexible circuits below the eutectic temperature of the solder tin; and recovering residual pieces of the condensate on the flexible circuits and withdrawing the flexible circuits through an outlet port in the second chamber. (Machine-translation by Google Translate, not legally binding)
ES471324A 1977-07-01 1978-06-30 Process and apparatus for reflowing solder of solder plated substrates and substrates formed thereby. Expired ES471324A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/812,230 US4115601A (en) 1977-07-01 1977-07-01 Flexible circuit reflow soldering process and machine

Publications (1)

Publication Number Publication Date
ES471324A1 true ES471324A1 (en) 1979-02-01

Family

ID=25208932

Family Applications (1)

Application Number Title Priority Date Filing Date
ES471324A Expired ES471324A1 (en) 1977-07-01 1978-06-30 Process and apparatus for reflowing solder of solder plated substrates and substrates formed thereby.

Country Status (8)

Country Link
US (1) US4115601A (en)
EP (1) EP0000284B1 (en)
JP (1) JPS5826194B2 (en)
CA (1) CA1081550A (en)
DE (1) DE2860255D1 (en)
ES (1) ES471324A1 (en)
IE (1) IE46960B1 (en)
IT (1) IT1096957B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315042A (en) * 1978-07-14 1982-02-09 Hybrid Technology Corporation Solder removal technique
US4321031A (en) * 1979-07-09 1982-03-23 Woodgate Ralph W Method and apparatus for condensation heating
US4389797A (en) * 1981-06-23 1983-06-28 The Htc Corporation Continuous vapor processing system
JPS58197A (en) * 1981-06-25 1983-01-05 日本メクトロン株式会社 Method and device for soldering flexible circuit board
JPS5822768U (en) * 1981-08-04 1983-02-12 上村工業株式会社 Reflow processing equipment for printed circuit boards
US4558524A (en) * 1982-10-12 1985-12-17 Usm Corporation Single vapor system for soldering, fusing or brazing
FR2556083B1 (en) * 1983-10-11 1986-04-25 Piezo Ceram Electronique IMPROVED MACHINE FOR HEATING AN ARTICLE OR PRODUCT BY CONDENSATION OF STEAM THEREON
FR2553186B1 (en) * 1983-10-11 1988-10-14 Piezo Ceram Electronique IMPROVEMENTS IN MACHINES FOR HEATING ARTICLES OR PRODUCTS BY CONDENSATION OF STEAM THEREON
US4697730A (en) * 1984-05-25 1987-10-06 The Htc Corporation Continuous solder system
US4685605A (en) * 1984-05-25 1987-08-11 The Htc Corporation Continuous solder system
EP0205309B1 (en) * 1985-06-08 1990-09-05 Nihon Den-Netsu Keiki Co., Ltd. Vapor phase soldering apparatus
JPS6224859A (en) * 1985-07-24 1987-02-02 Kenji Kondo Soldering device
US4766677A (en) * 1986-05-27 1988-08-30 Detrex Chemical Industries, Inc. Method and apparatus for vapor phase soldering
US4805828A (en) * 1987-01-23 1989-02-21 Rockwell International Corporation Thermally durable surface mounted device printed wiring assemblies and apparatus and method for manufacture and repair
US4801069A (en) * 1987-03-30 1989-01-31 Westinghouse Electric Corp. Method and apparatus for solder deposition
US4762264A (en) * 1987-09-10 1988-08-09 Dynapert-Htc Corporation Vapor phase soldering system
US4782991A (en) * 1987-11-24 1988-11-08 Unisys Corporation Hot liquid solder reflow machine
US5030805A (en) * 1990-02-20 1991-07-09 Minnesota Mining And Manufacturing Company Condensation heating apparatus
US5452401A (en) 1992-03-31 1995-09-19 Seiko Epson Corporation Selective power-down for high performance CPU/system
US5542596A (en) * 1994-12-20 1996-08-06 United Technologies Corp. Vapor phase soldering machine having a tertiary cooling vapor
DE19826520C1 (en) * 1998-06-15 1999-12-02 Helmut Walter Leicht Process for controlling heat transfer to a workpiece in vapor phase soldering
JP2000244108A (en) * 1999-02-22 2000-09-08 Senju Metal Ind Co Ltd Soldering of printed board, soldering equipment for printed board, and cooling equipment therefor
US20100308103A1 (en) * 2009-06-08 2010-12-09 Tyco Electronics Corporation System and method for vapor phase reflow of a conductive coating
US9930789B2 (en) 2010-04-12 2018-03-27 Seagate Technology Llc Flexible printed circuit cable with multi-layer interconnection and method of forming the same
ITUB20152805A1 (en) * 2015-08-03 2017-02-03 Piaggio & C Spa Rotating shaft device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3067056A (en) * 1959-10-15 1962-12-04 Robert K Remer Improvements in printing with ink composition having volatile solvents
US3346413A (en) * 1964-10-12 1967-10-10 Hooker Chemical Corp Method and apparatus for coating wire and solvent recovery
DE1546009B2 (en) * 1966-09-03 1971-04-29 GT Schjeldahl Co , Northfield, Minn (V St A) METHOD OF MANUFACTURING PRINTED CIRCUITS
US3704165A (en) * 1967-07-06 1972-11-28 Brown Eng Co Inc Solder leveling method
US3707762A (en) * 1970-10-29 1973-01-02 North American Rockwell Methods of using fluxes in joining metal surfaces
BE787366A (en) * 1971-08-09 1973-02-09 Dow Chemical Co METHOD OF MODIFYING THE SURFACE CONDITION OF PLASTICS
US3866307A (en) * 1973-09-07 1975-02-18 Western Electric Co Method for soldering, fusing or brazing
US3904102A (en) * 1974-06-05 1975-09-09 Western Electric Co Apparatus and method for soldering, fusing or brazing
SE424518B (en) * 1973-09-07 1982-07-26 Western Electric Co PROCEDURE AND DEVICE FOR SOFT, MOLDING OR HARDWARE
US4032033A (en) * 1976-03-18 1977-06-28 Western Electric Company, Inc. Methods and apparatus for heating articles

Also Published As

Publication number Publication date
US4115601A (en) 1978-09-19
JPS5826194B2 (en) 1983-06-01
JPS5418070A (en) 1979-02-09
EP0000284A1 (en) 1979-01-10
IE781327L (en) 1979-01-01
IT7825259A0 (en) 1978-06-30
DE2860255D1 (en) 1981-01-29
CA1081550A (en) 1980-07-15
EP0000284B1 (en) 1980-10-29
IE46960B1 (en) 1983-11-16
IT1096957B (en) 1985-08-26

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991108